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WorksheetsAmino Acids and Metabolism Quiz
Total questions: 20
Worksheet time: 10mins
Which amino acid is the precursor for creatine?
Glycine
Alanine
Leucine
Valine
Which amino acid is involved in the synthesis of heme?
Serine
Glycine
Tryptophan
Tyrosine
Oxaluria Type I is caused by a defect in metabolism of which amino acid?
Cysteine
Glycine
Serine
Alanine
Glycine is degraded via which pathway?
Glycine cleavage system
Urea cycle
Transamination
Gluconeogenesis
Which vitamin is required for glycine cleavage system?
Vitamin B6
Biotin
Vitamin B12
Folic acid
Creatine is synthesized from glycine, arginine, and __?
Methionine
Lysine
Phenylalanine
Histidine
Glutathione is composed of glutamate, cysteine, and __?
Alanine
Arginine
Glycine
Valine
The pH at which a protein has no net charge is called?
pKa
Isoelectric pH
Acidic pH
Basic pH
At isoelectric pH, proteins are?
Positively charged
Negatively charged
Zwitterionic
Highly soluble
Which of the following is a biologically active peptide?
Insulin
Tyrosine
Cholesterol
Adenine
Which is a non-essential amino acid?
Leucine
Isoleucine
Glycine
Lysine
Which amino acid is both ketogenic and glucogenic?
Lysine
Leucine
Tryptophan
Valine
Which enzyme catalyzes transamination?
Aminotransferase
Dehydrogenase
Decarboxylase
Hydrolase
The coenzyme required for transamination is?
NAD+
FAD
PLP (Vitamin B6)
Biotin
Deamination primarily occurs in the?
Kidney
Liver
Muscle
Pancreas
Oxidative deamination is catalyzed by?
Glutamate dehydrogenase
Transaminase
Aminopeptidase
Deaminase
Which amino acid does not undergo transamination?
Glutamate
Ornithine
Lysine
Alanine
Which reaction is common to all amino acid catabolism?
Transamination
Deamination
Decarboxylation
Oxidation
In urea cycle, transamination provides __?
Urea
NH3
CO2
Arginine
What is the main fate of amino group removed by deamination?
Excreted as urea
Used for energy
Stored in cells
Excreted as uric acid
